Fireproof metal window-frame.



UNITED STA'lES PATENT OFFICE.

FRANK LYBTER, 01' PHILADELPHIA, I'ENNBYCVAXIA, ASSIGKORTO LYBTER SHEET METAL COMPANY, OF IfllLADl-LLPIUA, PENNSYLVANIA. A COBPGRATIOX OF DELAWARE.

mrnoor 1min. mow-mun.

' Ie..m,ne1.

i-Ilfi l; lepecifice'tion.

u invention reletea to fireqmmibuildin; eonetruetion. and comprieen e peoulier and novel form of metelwindow-freme or eeeemen't.

The invention resides primerily in the etructure of the window-frame whereb cc,- eeee may bereedily had to the apece ino oeed hit the etdee of the frame, and to the ennh belanoe .weighte mounted therein, for purposes of re eir or the like..-

' A urther object oi the invention is to-eimplify the construction of the frame as much a possible, conducive to the nubtnntielity thereof, end in order to ohenpen snme es en el'ticle of. manufacture.

For I. full underetendingzof the invention, including the exeotntruoture end opornllon thereof reference is to be had to the following tlenoription and to the eorolnpenying drewmg, m wh oh:

igure 1 in -a frontv eley ation of a windowframeconatructed in accordance. with the invention; Fi 2 is e verticalsect ional view with thine ten removed; and Fig. 3hr nhorizontal wotionel-view taken about on the lino B-B-of Fig. l.

Similar reference characters refer to simiin parts throughout the drew-ingn and doeoriptlon'.

Specifically deecribing the invention, end

referring pertieularli e'window-frnme ,B the aides thereof, and C the hue or sill. 'lhe eidee B of the'ira'me ere of aide consisting of two eecttons, n'lnnlv section B','and edetdeheblo inner section ii". The outer body section B iii-designed tohe per.-

mencnt-ly eppliod'to the walljl, and the outermost portion of this section may ho of any desired omamental conformation. The side of the section B, which cooperate-1 with the cult 2, is formed with n \ertionl nnd lotiglltldine] guide ilnngetl said guide. 1min r r'omo'd or similarly formed from the body oi" t 10 ntrt- B. The outer portionof the sect-ion of etch lido'oi'thr. window-frame iii formed withe groove 4 intid groove receiving. thojotltorlpeeti'teatlon er'nmm Intent. anlleatle'n at rim :1, tool. mo in. tem.

,the well 1.

- nortnost portions of anidmido.

to'the drewingn, A des-* ulinr form, each,

Potent lept l8, l0.

edge oi e deteohelile guide icon 6. The guide pierce 5 'on the sides 0 the window frame cooperate with the outer enlh 2 in thewoll known manner and t re held in place by dctechnhlo lnsteningn 6. The mesh 2 in received botn'eeu 'the4ruide pieces or strips-5 and the central integral guides 3.

' As will be observed iromthe drawings the body sections B- are composed of nnwrd aides. tlto'uutnr aide coo )ereting wit i the much 2, while the inner aide in e ged. with Said inner side of eari uection in formed with en outwerdly extending flange or rib 7 adapted to be received between tiers of brick .or stone of the well], or interlocked with-thowall in'enyauiteble wa' cording to the construction of the utter. The npnood sides of the suction Il'nro oonneotod int intervals by det-nolinble braces 8 secured thereto hv iostenings' 9, said braces being horizontally arranged. The braces 8 hove eeourod thereto e vertical partition 10, which' partition aopalnton the spare 'incloeed by each body section 8', into outer and "H101" rmupnrlmonis m'whnrh operate the rllL'lll balanciweights of the inner and outer sashes 2. The l'rnmoe of the earthen-2 nrenlao prefereb lf' oi metullic' oonetruoti'on.

he section-B", i'e'ach-eide is' detnchubly secured bv fas'teninga 11 to the innermostportions'oi the section Bi, and to horizontal pletoa' or'brecoa l 2- whiclioonncctthe npncod sides of lhenecliOneB It the in.-

B'i'in iornicd atom-"edgiu'ith n guide lhtngo Ill (oil rating in guide lho inner earth 2, whilol it. othorvcrlicnl 0d u of each section. is formed with n vertirnl flange H designedtocoiipcrete with the ad; jeoont wnll l to'l'ormn pocket to receive-fin- ;iuhed plnntrring work 15, or wood caeingnt' It will be soon thatncoess-|ney bereadily hnd to theoom el'ttnrnl-a .ol' the. uulee of -thowimlow-trnino, iy limt-rmnovnig the sections B", and if necessary, the. partitions it) may be disilncod in an obvious innnnor.- Tho aides Ii on the sill C, while the top A is supported by the sides B.

The various parts com are ndeptodto be'wndily t ruched-froth one another, and in: liknmnnner, are no eeoured end illtfllitK-kttl togoihor t-hntthe innie'eem tionn and lho. nnnh inny hc rond ily enenlnblml.

'- v J l-I into i pornt-ii o pu ii ti one.

Each section. I

mixing the l'rnine B oithe. frame, 7

hollow bead .or'

Huhgg tlxusdeec-ribed the inwcntiomnhet partition a plied to'the-brncea of'eech' outer 16- iu-llim unewis: section, at no: braves secured tothe-inner- In window-heme structure, thecombinu moet portion: of the outer eectjone of'each t| qn u! a top,- n all, :pd aides, an]: eidecom aide o the freme, the inner section of each 5 pming an outer aecuon compoeql of ep'ec'ed Inido of the frame bein attached to-the-lut uia lm one of which in provided-mt): an nub mmed bncen eml be ng provided with n '20 wmlly extendmg flange Adapted to Interguide, codperetmg mtl xthemn eruah. Y lock \vilh I well, the other nde being pm- In teetlmony whereof I eflixmyeignnture vided with'luh guide mum thereon, e'dein preience of two Yitnenaeg.

l0 t-echeble ide :ece inlerloqhng' with the outer pox-51 m of the body auction or-outer FRANK S section, euh mounted u n the frame be- Witnesses: tween the eidee, horiz'mlm bracee'oonnect- Emv, Luwx, 1

in the aideof the outer action a verticil M. Vmr Bonmgnr. 

